551 Solid carbide ball nose end mill
for HSC milling of non-ferrous metals

icon-hscicon-3dicon-schruppenicon-Finishingicon-feinFinishingFor the machining of copperFor the machining of aluminiumFor the machining of titaniumFor the machining of non-ferrous metals

551 7 2016

 Available as long as stock lasts, this product will be discontinued and substituted by our new series 551!

Characteristics and Tolerances


Ø 1,00 - 6,00 mm

Accuracy of shape

Radius +/- 0,010 mm


0,005 mm

Diameter tolerance

< 6,0  0/0,010 mm, ≥ Ø 6,0 0/-0,020 mm


Copper, non-ferrous metals, aluminium, titanium


With free lenght, precise cylinder shaft, 2D and 3D milling, also availabe in coated version

Tool life



icon-page-details» Specific data sheet (PDF)
Further downloads


End mills cutters, ball nose
end mills and end mills with corner radius


Extensive product range for
milling of non-ferrous metals.
Available ex stock from
Ø 0,2 mm!

Process-capable milling
within 10 µm


Serial tolerances:
Concentricity: 0 - 3 µm
Effective diameter: 0 - 10 µm
Accuracy of shape: 0 - 10 µm



Special coating solutions
guarantee maintenance of
precision and quality.

ZECHA Hartmetall
Werkzeugfabrikation GmbH
Benzstraße 2
D-75203 Konigsbach-Stein
Tel. + 49 7232 3022-0
Fax + 49 7232 3022-25
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